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WO1997002366A3 - Method and apparatus for after-burning atmospheric gases in a steel smelting arc furnace - Google Patents

Method and apparatus for after-burning atmospheric gases in a steel smelting arc furnace Download PDF

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Publication number
WO1997002366A3
WO1997002366A3 PCT/US1996/011126 US9611126W WO9702366A3 WO 1997002366 A3 WO1997002366 A3 WO 1997002366A3 US 9611126 W US9611126 W US 9611126W WO 9702366 A3 WO9702366 A3 WO 9702366A3
Authority
WO
WIPO (PCT)
Prior art keywords
furnace
arc furnace
atmosphere
oxidizing gas
atmospheric gases
Prior art date
Application number
PCT/US1996/011126
Other languages
French (fr)
Other versions
WO1997002366A2 (en
Inventor
Vladimir Alexandrovi Arutyunov
Alexander Yakovlevic Stomakhin
Alexei Varnavievich Yegorov
Vladimir Ilyich Lebedev
Vladimir Andreyevich Romenets
Valery Sergeyevich Valavin
Dmitry Dmitriyevich Kozlov
Gennady Borisovich Beremblum
Valentin Andreysvich Breus
Boris Anatolievich Chumarin
Oleg Petrovich Lopatin
Original Assignee
Air Prod & Chem
Vladimir Alexandrovi Arutyunov
Alexander Yakovlevic Stomakhin
Alexei Varnavievich Yegorov
Vladimir Ilyich Lebedev
Vladimir Andreyevich Romenets
Valery Sergeyevich Valavin
Dmitry Dmitriyevich Kozlov
Gennady Borisovich Beremblum
Valentin Andreysvich Breus
Boris Anatolievich Chumarin
Oleg Petrovich Lopatin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Prod & Chem, Vladimir Alexandrovi Arutyunov, Alexander Yakovlevic Stomakhin, Alexei Varnavievich Yegorov, Vladimir Ilyich Lebedev, Vladimir Andreyevich Romenets, Valery Sergeyevich Valavin, Dmitry Dmitriyevich Kozlov, Gennady Borisovich Beremblum, Valentin Andreysvich Breus, Boris Anatolievich Chumarin, Oleg Petrovich Lopatin filed Critical Air Prod & Chem
Publication of WO1997002366A2 publication Critical patent/WO1997002366A2/en
Publication of WO1997002366A3 publication Critical patent/WO1997002366A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Details (AREA)

Abstract

Method and apparatus for introducing oxidizing gas, e.g. oxygen into the atmosphere of an electric arc furnace to effect post combustion (after-burning) of gases in the atmosphere and provide a radiant heat source (18, 36) inside the furnace. The apparatus (10, 70) has a generally cylindrical shaped with a first end (34) for introducing oxidizing gas tangentially (54, 56) inside the apparatus (radiant injector) (10, 70) and a second end or exit portion (32) having a flared opening (36) to discharge swirling oxidizing gas into the furnace. The apparatus (10) is refractory or has a refractory coating on the surfaces which are exposed to the furnace atmosphere and which when further heated become a radiant heat source in the furnace.
PCT/US1996/011126 1995-07-06 1996-06-28 Method and apparatus for after-burning atmospheric gases in a steel smelting arc furnace WO1997002366A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU95111684 1995-07-06
RU95111684/02A RU2084542C1 (en) 1995-07-06 1995-07-06 Arc steel melting furnace

Publications (2)

Publication Number Publication Date
WO1997002366A2 WO1997002366A2 (en) 1997-01-23
WO1997002366A3 true WO1997002366A3 (en) 1997-02-13

Family

ID=20169845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/011126 WO1997002366A2 (en) 1995-07-06 1996-06-28 Method and apparatus for after-burning atmospheric gases in a steel smelting arc furnace

Country Status (2)

Country Link
RU (1) RU2084542C1 (en)
WO (1) WO1997002366A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2130082C1 (en) * 1998-05-13 1999-05-10 Московский государственный институт стали и сплавов (технологический университет) Tuyere for complete burning of combustible gases in hollow of metallurgical units
RU2520883C2 (en) * 2012-07-20 2014-06-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Arc steel-smelting furnace with combustible gas afterburning

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968295A (en) * 1961-04-05 1964-09-02 Air Prod & Chem Improvements in metallurgical processes and apparatus
US4730336A (en) * 1986-06-16 1988-03-08 G & H Oxy-Fuel, Inc. Oxy-fuel burner system
DE4123391A1 (en) * 1990-07-17 1992-01-23 Elti Srl Electrical blast furnace preheater - has static fan-shaped flame from distributor head with separate oxygen and fuel channels
US5112387A (en) * 1991-08-21 1992-05-12 Instituto Mexicano De Investigaciones Siderurgicas Producing stainless steels in electric arc furnaces without secondary processing
US5375139A (en) * 1993-02-26 1994-12-20 Bender; Manfred Electric arc furnace insitu scrap preheating process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968295A (en) * 1961-04-05 1964-09-02 Air Prod & Chem Improvements in metallurgical processes and apparatus
US4730336A (en) * 1986-06-16 1988-03-08 G & H Oxy-Fuel, Inc. Oxy-fuel burner system
DE4123391A1 (en) * 1990-07-17 1992-01-23 Elti Srl Electrical blast furnace preheater - has static fan-shaped flame from distributor head with separate oxygen and fuel channels
US5112387A (en) * 1991-08-21 1992-05-12 Instituto Mexicano De Investigaciones Siderurgicas Producing stainless steels in electric arc furnaces without secondary processing
US5375139A (en) * 1993-02-26 1994-12-20 Bender; Manfred Electric arc furnace insitu scrap preheating process

Also Published As

Publication number Publication date
RU2084542C1 (en) 1997-07-20
WO1997002366A2 (en) 1997-01-23
RU95111684A (en) 1997-06-27

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